package collection;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class SortListDemo2 {
    public static void main(String[] args) {
        List<Point> list = new ArrayList<>();
        list.add(new Point(1, 2));
        list.add(new Point(2, 9));
        list.add(new Point(3, 8));
        list.add(new Point(4, 7));
        list.add(new Point(5, 6));
        System.out.println(list);
        Collections.sort(list, new Comparator<Point>() {
            @Override
            public int compare(Point o1, Point o2) {
                int len1 = o1.getX() * o1.getX() + o1.getY() * o1.getY();
                int len2 = o2.getX() * o2.getY() + o2.getY() * o2.getY();
                return len1 - len2;
            }
        });
        System.out.println(list);
    }
}
